/**
 * jsgig.tree - Generic tree-like structures.
 */
if (!jsgig) {
  throw new Error("jsgig/jsgig.js must be included before jsgig/tree.js.");
}
if (!jsgig.tree) { jsgig.tree = (function(){
var my = {};

// End of module `jsgig.tree`
return my; })(); }